Re: A set containing a nonempty open interval

Jim Spriggs wrote:
>
> "Keith A. Lewis" wrote:

> > Since every interval has a subset
>
> Doesn't [x, x] count as an interval?

Ignore that. [x, x] has the subset {x}. Silly me.

--
I don't know who you are Sir, or where you come from,
but you've done me a power of good.
.

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